reptiles lizards - 6th grade tlc · 2019. 3. 27. · lizards and snakes •skin covered with...
TRANSCRIPT
amphreptilenotes.notebook
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Amphibians and Reptiles
Amphibians • ectothermic, spend early life in water, later life on land• 2 major groups
salamanders and newts keep tails as adult
toads and frogs lose tails as adult
• undergo metamorphosis gills early, lungs after
• closed circulatory system 3 chambered heart 2 upper chambers called atria
receive blood lower chamber called ventricle pushes out blood to lungs and body
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Obtaining food
• tadpoles are herbivores• adults are carnivores• use camouflage to help catch food
Movement • have strong skeletons and muscular limbs adapted for moving on land• salamanders crawl• frogs and toads have legs meant for leaping• webbed feet help with swimming
amphreptilenotes.notebook
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April 24, 2014
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Reptiles • ectothermic, has lungs and scaly skin• dry, tough skin, kidneys and eggs are adapted to conserve water• reproduce sexually• closed circulatory system with 4 chambered heart
Lizardsand snakes
• skin covered with overlapping scales• shed skin as they grow• live in warm areas• most lizards are carnivores while all snakes are carnivores
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Alligatorsand Crocodiles
• large, carnivorous that care for their young• hunt at night• use strong jaws and tail to catch food
Turtles • live in oceans, fresh water and land• body is covered by protective shell that includes ribs and a backbone• have a sharp edged beak to feed